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// This comes from the issue report of MSVC
// (https://developercommunity.visualstudio.com/t/c20-modules-unresolved-external-symbol/10049210).
//
// RUN: rm -rf %t
// RUN: mkdir %t
// RUN: split-file %s %t
//
// RUN: %clang_cc1 -std=c++20 %t/base.cppm -emit-module-interface -o %t/package-base.pcm
// RUN: %clang_cc1 -std=c++20 %t/child.cppm -emit-module-interface -o %t/package-child.pcm \
// RUN: -fprebuilt-module-path=%t
// RUN: %clang_cc1 -std=c++20 %t/package.cppm -emit-module-interface -o %t/package.pcm \
// RUN: -fprebuilt-module-path=%t
// RUN: %clang_cc1 -std=c++20 %t/use.cpp -fsyntax-only -verify -fprebuilt-module-path=%t
// Test again with reduced BMI
// RUN: rm -rf %t
// RUN: mkdir %t
// RUN: split-file %s %t
//
// RUN: %clang_cc1 -std=c++20 %t/base.cppm -emit-reduced-module-interface -o %t/package-base.pcm
// RUN: %clang_cc1 -std=c++20 %t/child.cppm -emit-reduced-module-interface -o %t/package-child.pcm \
// RUN: -fprebuilt-module-path=%t
// RUN: %clang_cc1 -std=c++20 %t/package.cppm -emit-reduced-module-interface -o %t/package.pcm \
// RUN: -fprebuilt-module-path=%t
// RUN: %clang_cc1 -std=c++20 %t/use.cpp -fsyntax-only -verify -fprebuilt-module-path=%t
//--- base.cppm
export module package:base;
export struct child;
export
template<class> struct base
{
child getChild();
};
//--- child.cppm
export module package:child;
import :base;
export struct child : base<void> {};
template<class T>
child base<T>::getChild() { return {}; }
//--- package.cppm
export module package;
export import :base;
export import :child;
//--- use.cpp
// expected-no-diagnostics
import package;
int use()
{
base<void>{}.getChild();
base<int>{}.getChild();
return 0;
}
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